We report superconductivity at 1.4 K in the new ternary compound SrPt10P4 with a complex new structure. The compound crystallizes in a monoclinic space-group C2/c (#15) with lattice parameters a= 22.9151(9)Å, b= 13.1664(5)Å, c=13.4131(5) Å, and β= 90.0270(5)°. Bulk superconductivity in the sample has been clearly demonstrated through resistivity, ac susceptibility, and heat capacity measurements. Detail specific heat analysis suggests rather weak electron-phonon coupling (ΔCel/ γnTc ~1.02) and multiple gap feature in this compound. High pressure measurements have shown that the superconducting Tc is systematically suppressed upon application of pressure, with a dTc/dP coefficient of -0.016 K/GPa.

*Air Force Office of Scientific Research (AFOSR)

To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.MAR.F31.6